#-*- coding:utf8 -*-
#!/usr/bin/python
'''
author: lixinpan
createTime: 2021-07-23 10:19
update: lixinpan
updateTime: 2021-07-23 10:19
description: 文件简介描述
'''

invoice = '''  
... 0.....6.................................40  
... 1906..freeman...........................40  
'''
SKU = slice(0,6)

line_items = invoice.split('\n')[1:]

for item in line_items:
    print(item[SKU])